unpardonably

his unpardonably rude behavior at the formal dinner embarrassed everyone present.

she arrived unpardonably late to the most important meeting of her career.

it was unpardonably selfish of him to abandon his responsibilities during the crisis.

the tourist was unpardonably naive about the local customs and traditions.

his unpardonably ignorant comments revealed a shocking lack of cultural awareness.

the service at the restaurant was unpardonably slow, testing our patience.

the luxury resort charged unpardonably high prices for basic amenities.

the contractor was unpardonably careless with the renovation project.

her unpardonably dishonest actions destroyed the trust of her colleagues.

the politician's unpardonably inappropriate remarks caused a public scandal.

his unpardonably stubborn refusal to compromise stalled the negotiations.

the student made an unpardonably simple mistake that cost him the scholarship.